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GSC Power-Division

S2 Billet Camshaft Set

Fits: 08-21 WRX STI

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Pay over time available · Est. $36.69/payment
ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

GSC Power-Division S2 Billet Camshaft Set
Fits: 08-21 WRX STI

Fitment

Please Note: Engine application: EJ257 in the 2008-2021 WRX STI with Dual AVCS. Power range is 500 WHP and up. Upgraded valve springs are required; beehive valve springs are recommended. Due to lobe size, head castings will need to be filed down slightly for clearance — check during install.
  • 2008–2021 Subaru | WRX STI

Description

The GSC Power-Division Billet S2 Camshaft set is a camshaft set for the 2008-2021 Subaru WRX STI with the EJ257 engine and Dual AVCS, built for higher horsepower applications with a power range of 500 WHP and up.

  • Part number: 7026S2
  • To utilize the true potential of the S2s: built motor, built/ported head, and a good engine management system
  • Upgraded valve springs are required; beehive valve springs are recommended but not required
  • Cam placement: Long nose = Left Side, short nose = Right Side
  • Due to lobe size, head castings will need to be filed down slightly for clearance — check during install
  • Proper break-in and running high zinc oil is a must on flat tappet engines
  • Must be installed by an experienced technician

Frequently Asked Questions

  • Does this fit my WRX STI? Yes — this set is for the 2008-2021 Subaru WRX STI with the EJ257 engine and Dual AVCS.
  • What is included in the box? The box contains a billet S2 camshaft set.
  • Who should install this? These camshafts must be installed by an experienced technician. Upgraded valve springs are required, and head castings will need to be filed down slightly for clearance — check during install.

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